Home / 19,234.13-26,547.36-12,159.20

Finding the Fourth Proportional to 19,234.13, 26,547.36 and 12,159.20

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Solution

The fourth proportional to 19,234.13, 26,547.36 and 12,159.20 is: 16,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.13 : 26,547.36 = 12,159.20 : x
  2. Step 2: Convert to fraction form
    19,234.13/26,547.36 = 12,159.20/x
  3. Step 3: Cross multiply
    19,234.13x = 26,547.36 × 12,159.20
  4. Step 4: Simplify right side
    19,234.13x = 322,794,659.71
  5. Step 5: Solve for x
    x = 322,794,659.71/19,234.13
  6. Step 6: Final answer
    x = 16,782.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.